BURRELL. CORPORATION

Page 1. The same complete mixing swirl you get with your own hand and wrist has been copied mechanically in Burrell ... BUILD-UPDESIGIM. You Build-Up ...
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BURRELL "WRIST-ACTION" LABORATORY SHAKERS

How

do you tie down particle size? The same complete mixing swirl you get with your own hand and wrist has been copied mechanically in Burrell shakers. Then, superior to human wrist-action, the shaking motion operates at a constant speed— for as long as is required. You control procedures from gentle agitation to violent swirling and repeat any operation at another time. The degree of shaking is controlled mechanically with an adjustable knob. The full torque of the constant speed motor is always applied to the oscillating mechanism. Loads need not be equalized or balanced. Shaking degrees are set, and repeated exactly at another time, to a scale graduated from 0 to 10. A built-in timer will automatically stop the shaker at any desired time up to 55 minutes or may be set to operate continuously.

answer: you measure it with a Coulter Counter®

BUILD-UP@DE5IGIM You Build-Up to suit your requirements. Starting with a standard shaker base unit, consisting of motor, oscillator and controls; you add a platform that accommodates Separatory Funnel Clamps or 8 Erienmeyer flasks; and side-arms for 8, 12 or 16 flasks or bottles. Users may start with any Build-Up size and add or modify later, as all parts are interchangeable.

The Coulter Counter provides 3

Burrell Shaker B U I L D - U P

urements are 1 by 1, up to 4,000

SIZE

B T

dimension response. These are volume particle measurements which avoid confusion . . . really tie down particle size! Coulter Counter meas-

Offered as the most versatile arrangement for general laboratory use. Includes standard shaker base unit, platform for up to 8 Erienmeyer flasks and side arms for up to 8 flasks or bottles.

per second and readily reproducible.

Cat. No. 75-765BT Separatory Funnel Clamps

and what it means to you.

Price complete $299.50 $6.35 each

For more information see your Burrell representative or write for Bulletin No. 307.

B U R R E L L . CORPORATION BURRELL

SCIENTIFIC INSTRUMENTS AND LABORATORY SUPPLIES

2223 FIFTH AVENUE, PITTSBURGH, PA. 15219 Circle No. 14 on Readers' Service Card

168 A

ANALYTICAL CHEMISTRY

Learn the full Coulter Counter story See us: Pittsburgh

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Conference Booth F-41.

COULTER ELECTRONICS INDUSTRIAL DIVISION

2601 MANNHEIM RD., FRANKLIN PARK, ILL. 60131 Patented throughout the world Circle No. 102 on Readers' Service Card